電場積分方程中電荷項計算的改進
AN IMPROVEMENT FOR CALCULATIONS OF THE CHARGE TERMS IN ELECTRIC-FIELD INTEGRAL EQUATION
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摘要: 電場積分方程(EFIE)是求解電磁散射問題時應(yīng)用最廣泛的方法之一。但是,這一方法在用于求解二維TE問題和三維問題時會出現(xiàn)較大計算誤差。本文討論出現(xiàn)計算誤差的原因,指出改進電荷項的計算有利于提高計算準(zhǔn)確性。
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關(guān)鍵詞:
- 電磁散射; 電場積分方程; 電荷項
Abstract: Electric-field integral equation(EFIE) method is one of most widely used methods for solving the electromagnetic scattering problems. Unfortunately, inconsistencies in the numerical results are observed when the method is used in the 2-D TE and the 3-D situations. In this paper, the authors try to discuss why the difficulties occurred and point out that the numerical results will be more accurate if the calculations of the charge terms are improved. -
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